This manual covers the 300M, Concorde, and Intrepid models from the 2004 model year, built on the LH platform. These vehicles are known for their spacious interiors, comfortable ride, and distinctive cab-forward styling, representing a commitment to producing capable and stylish sedans. The 300M, in particular, was positioned as a premium offering, often featuring a more powerful engine and enhanced amenities. These models were designed to provide a balance of performance, comfort, and safety for a variety of driving needs, building on a legacy of large sedan engineering. This comprehensive service repair manual provides detailed information essential for the maintenance, diagnosis, and repair of your vehicle. It encompasses a wide range of topics, including engine mechanicals, transmission systems, brake operation, steering and suspension, and electrical systems, complete with in-depth wiring diagrams and troubleshooting guides. The manual is structured to assist both professional automotive technicians and DIY mechanics by offering clear, numbered instructions, detailed illustrations, and critical notes, cautions, and warnings to ensure accurate and safe service procedures, covering everything from routine maintenance to complex component overhauls.